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Shape controlled interpolatory ternary subdivision
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DOI：10.1016/j.amc.2009.06.014.png)
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摘要
En 中文
Ternary subdivision schemes compare favorably with their binary analogues because they are able to generate limit functions with the same (or higher) smoothness but smaller support. In this work we consider the two issues of local tension control and conics reproduction in univariate interpolating ternary refinements. We show that both these features can be included in a unique interpolating 4-point subdivision method by means of non-stationary insertion rules that do not affect the improved smoothness and locality of ternary schemes. This is realized by exploiting local shape parameters associated with the initial polyline edges. (C) 2009 Elsevier Inc. All rights reserved.
Keyword:
Univariate ternary refinement
Interpolation
Non-stationarity
Tension control
Conic section
Combined subdivision scheme
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期刊
IF:
3.4
论文数:
2.3W
被引数:
3.3W
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